Diameter 4078

What is the diameter of the wheel when it turns 455 times per 1 km? They rounded to the nearest cm.

Correct answer:

D =  70 cm

Step-by-step explanation:

o = π D n=455 s=1 km m=1 1000  m=1000 m  o=s/n=1000/455=912002.1978 m D1=o/π=2.1978/3.14160.6996 m  D=D1 cm=D1 100  cm=0.6996 100  cm=70 cm=70 cm



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